The Valve,angle, cataloged under National Stock Number 4820-00-203-6042, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Carrier Corp. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-203-6042 |
| Primary Part Number | EP20U181 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Style Designator | ANGLE |
| Media for Which Designed | REFRIGERANT 22 SECOND RESPONSE |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Class | 2A SECOND END A |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Material | STEEL COMP 303 STEM |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Material Document and Classification | MIL-C-15345 ALLOY 3 MIL SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE STEM |
| Bonnet Attachment Method | THREADED |
| Seat Angle | 37.0 DEGREES SECOND END |
| Bonnet Type | INSIDE SCREW |
| Connection Style | FLARED (TUBE) SECOND END |
| Valve Operation Method | MANUAL |
| Material | COPPER ALLOY AND PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE |
| Material Document and Classification | MIL-C-15345 ALLOY 3 MIL SPEC 1ST MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material | COPPER ALLOY AND PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE |
| Flow Control Device | DISK |
| Thread Quantity Per Inch | 26 SECOND END |
| Media for Which Designed | REFRIGERANT 12 FIRST RESPONSE |
| Maximum Operating Temp | 500.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material Document and Classification | QQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-B-626,ALLOY 377 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | COPPER ALLOY 377 SEAT |
| Nominal Outside Diameter Tube Accommodated | 0.504 INCHES FIRST END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Media for Which Designed | REFRIGERANT 22 SECOND RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 55400-5900-871187ALT2PC6433 | Naval Ship Systems Command (USA) |
| 313-5901-795947ALT5PCV7 | Naval Sea Systems Command (USA) |
| 6433 | Henry Technologies, Inc. (USA) |
| 55400-5900-871187ALT2PC6433 | Naval Sea Systems Command (USA) |
| 313-5901-795947ALT5PCV7 | Naval Ship Systems Command (USA) |
| EP20U181 PRIMARY | Carrier Corp (USA) |
| 313-5901-161820ALT2PCV7 | Naval Sea Systems Command (USA) |
| 313-5901-161820ALT2PCV7 | Naval Ship Systems Command (USA) |
| SK5054NA2PC6433 | Henry Technologies, Inc. (USA) |
NSN 4820-00-203-6042 is a Valve,angle, manufactured by Carrier Corp, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-203-6042 has 9 cross-referenced part numbers: 55400-5900-871187ALT2PC6433 (Naval Ship Systems Command), 313-5901-795947ALT5PCV7 (Naval Sea Systems Command), 6433 (Henry Technologies, Inc.), 55400-5900-871187ALT2PC6433 (Naval Sea Systems Command), 313-5901-795947ALT5PCV7 (Naval Ship Systems Command) and 4 more.
There are 12 known substitutes for 4820-00-203-6042: 6125-00-107-1552, 5305-00-272-4103, 2940-00-477-6152 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for EP20U181: Style Designator: ANGLE; Media for Which Designed: REFRIGERANT 22 SECOND RESPONSE; Thread Direction: RIGHT-HAND SECOND END; Thread Class: 2A SECOND END A. 30 total characteristics are documented in the Federal Logistics Information System.